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      <title>Context help</title>
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      <h2>5.1: Context help&nbsp;<a href="User guide5.html"><img src="Images/uparrow.png" border="0" align="top" alt="Go back up one level"/></a></h2>
      
        <p>
            When a <a href="uiextras.BoxPanel.html"><code class="FUNCTION">uiextras.BoxPanel</code></a> has its "HelpFcn"
            filled in, a help button (<img src="Images/panelHelp.png"/>) is shown in the upper-right of the
            title-bar. When the user clicks this button the specified function
            is called.
        </p>
        <h3>For example:</h3>
                <para>Here we hookup the HelpFcn to simply bring up
            the MATLAB documentation for each command. Clicking any of the "?" buttons
        will cause the MATLAB help browser to open.</para>
                <pre style="background-color: #eeeeff; margin-left: 20px; margin-right: 20px"><font color="#000011">f = <a href="matlab:doc figure"><code class="FUNCTION">figure</code></a>( 'Name', 'uiextras.BoxPanel Help Example' );
b = <a href="uiextras.HBox.html"><code class="FUNCTION">uiextras.HBox</code></a>( 'Parent', f );
<a href="uiextras.BoxPanel.html"><code class="FUNCTION">uiextras.BoxPanel</code></a>( 'Parent', b, 'Title', 'sin', 'HelpFcn', @(a,b) doc('sin') );
<a href="uiextras.BoxPanel.html"><code class="FUNCTION">uiextras.BoxPanel</code></a>( 'Parent', b, 'Title', 'cos', 'HelpFcn', @(a,b) doc('cos') );
<a href="uiextras.BoxPanel.html"><code class="FUNCTION">uiextras.BoxPanel</code></a>( 'Parent', b, 'Title', 'tan', 'HelpFcn', @(a,b) doc('tan') );
</font></pre>
                <p style="background-color: #ddddee; margin-left: 20px; margin-right: 20px"><font color="#000022"><center><img src="Images/BoxPanelHelpExample.png"/></center></font></p>
            
        
    
      
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